大约有 47,000 项符合查询结果(耗时:0.0275秒) [XML]

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ERROR: permission denied for sequence cities_id_seq using Postgres

... Since PostgreSQL 8.2 you have to use: GRANT USAGE, SELECT ON SEQUENCE cities_id_seq TO www; GRANT USAGE - For sequences, this privilege allows the use of the currval and nextval functions. Also as pointed out by @epic_fil in the comments you can grant permissions to all th...
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Directive isolate scope with ng-repeat scope in AngularJS

...moved: <li ng-repeat="name in names" ng-class="{ active: $index == selected }" ng-click="selected = $index"> {{$index}}: {{name.first}} {{name.last}} </li> Here is a JSFiddle demonstrating that it won't work. You get the exact same results as in your directive. Why doesn'...
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String.Join method that ignores empty strings?

... simpler, since you can do it in SQL directly: PostgreSQL & MySQL: SELECT concat_ws(' / ' , NULLIF(searchTerm1, '') , NULLIF(searchTerm2, '') , NULLIF(searchTerm3, '') , NULLIF(searchTerm4, '') ) AS RPT_SearchTerms; And even with the glorious MS-SQ...
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How do I kill all the processes in Mysql “show processlist”?

...peration saves time. Do it in MySql itself: Run these commands mysql> select concat('KILL ',id,';') from information_schema.processlist where user='root' and time > 200 into outfile '/tmp/a.txt'; mysql> source /tmp/a.txt; Reference ---------edit------------ if you do not want to sto...
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Query for array elements inside JSON type

...src":"bar.png"}] , "background":"background.png"}'::json) ) SELECT * FROM reports r, json_array_elements(r.data#>'{objects}') obj WHERE obj->>'src' = 'foo.png'; The CTE (WITH query) just substitutes for a table reports. Or, equivalent for just a single level of nesting: SE...
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Multiple “order by” in LINQ

...ow in _db.Movies orderby row.Category, row.Name select row; [EDIT to address comment] To control the sort order, use the keywords ascending (which is the default and therefore not particularly useful) or descending, like so: var movies = from row in _db.Movies ...
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How to highlight cell if value duplicate in same column for google spreadsheet?

... Try this: Select the whole column Click Format Click Conditional formatting Click Add another rule (or edit the existing/default one) Set Format cells if to: Custom formula is Set value to: =countif(A:A,A1)>1 (or change A to your ch...
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How do I change Eclipse to use spaces instead of tabs?

...dow » Preferences Expand Web » HTML Files Click Editor Under Formatting, select the Indent using spaces radio button Click OK to apply the changes. CSS Follow the same instructions for HTML, but select CSS Files instead of HTML Files. JSP By default, JSP files follow the formatting preference...
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Possible to perform cross-database queries with PostgreSQL?

... executes a query in a remote database dblink executes a query (usually a SELECT, but it can be any SQL statement that returns rows) in a remote database. When two text arguments are given, the first one is first looked up as a persistent connection's name; if found, the command is executed on that...
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Capitalize first letter. MySQL

... You can use a combination of UCASE(), MID() and CONCAT(): SELECT CONCAT(UCASE(MID(name,1,1)),MID(name,2)) AS name FROM names; share | improve this answer | ...